Document And Entity Information
Nov. 28, 2022
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Document Period End Date Nov. 28, 2022
Entity Registrant Name Axsome Therapeutics, Inc.
Entity Central Index Key 0001579428
Entity Emerging Growth Company false
Securities Act File Number 001-37635
Entity Incorporation, State or Country Code DE
Entity Tax Identification Number 45-4241907
Entity Address, Address Line One 22 Cortlandt Street, 16th Floor
Entity Address, City or Town New York
Entity Address, State or Province NY
Entity Address, Postal Zip Code 10007
City Area Code (212)
Local Phone Number 332-3241
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common Stock, Par Value $0.0001 Per Share
Trading Symbol AXSM
Security Exchange Name NASDAQ